Annotation of embedaddon/libpdel/tmpl/tmpl_mem.c, revision 1.1.1.1
1.1 misho 1:
2: /*
3: * Copyright (c) 2001-2002 Packet Design, LLC.
4: * All rights reserved.
5: *
6: * Subject to the following obligations and disclaimer of warranty,
7: * use and redistribution of this software, in source or object code
8: * forms, with or without modifications are expressly permitted by
9: * Packet Design; provided, however, that:
10: *
11: * (i) Any and all reproductions of the source or object code
12: * must include the copyright notice above and the following
13: * disclaimer of warranties; and
14: * (ii) No rights are granted, in any manner or form, to use
15: * Packet Design trademarks, including the mark "PACKET DESIGN"
16: * on advertising, endorsements, or otherwise except as such
17: * appears in the above copyright notice or in the software.
18: *
19: * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
20: * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
21: * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
22: * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
23: * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
24: * OR NON-INFRINGEMENT. PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
25: * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
26: * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
27: * RELIABILITY OR OTHERWISE. IN NO EVENT SHALL PACKET DESIGN BE
28: * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
29: * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
30: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
31: * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
32: * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
33: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
35: * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
36: * THE POSSIBILITY OF SUCH DAMAGE.
37: *
38: * Author: Archie Cobbs <archie@freebsd.org>
39: */
40:
41: #include "tmpl_internal.h"
42:
43: /*
44: * Free an array of parse elements.
45: */
46: void
47: _tmpl_free_elems(const char *mtype, void *eblock,
48: struct tmpl_elem *elems, int num)
49: {
50: int i;
51:
52: if (eblock != NULL) {
53: FREE(mtype, eblock);
54: return;
55: }
56: for (i = 0; i < num; i++) {
57: if ((elems[i].flags & TMPL_ELEM_MMAP_TEXT) == 0)
58: FREE(mtype, elems[i].text);
59: _tmpl_free_call(mtype, &elems[i].call);
60: }
61: FREE(mtype, elems);
62: }
63:
64: /*
65: * Free a run-time function structure.
66: */
67: void
68: _tmpl_free_func(struct tmpl_ctx *ctx, struct exec_func *func)
69: {
70: /* Free name */
71: FREE(ctx->mtype, func->name);
72:
73: /* Free elements */
74: _tmpl_free_elems(ctx->mtype, func->eblock, func->elems, func->num_elems);
75: }
76:
77: /*
78: * Free a parsed function call structure.
79: */
80: void
81: _tmpl_free_call(const char *mtype, struct func_call *call)
82: {
83: int i;
84:
85: for (i = 0; i < call->nargs; i++)
86: _tmpl_free_arg(mtype, &call->args[i]);
87: FREE(mtype, call->args);
88: FREE(mtype, call->funcname);
89: memset(call, 0, sizeof(*call));
90: }
91:
92: /*
93: * Free a parsed function argument.
94: */
95: void
96: _tmpl_free_arg(const char *mtype, struct func_arg *arg)
97: {
98: if (arg->is_literal) {
99: FREE(mtype, arg->u.literal);
100: arg->u.literal = NULL;
101: } else
102: _tmpl_free_call(mtype, &arg->u.call);
103: memset(arg, 0, sizeof(*arg));
104: }
105:
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